Pin No.Pin NameI/OFunction
76ESP-DATAOSerial data output terminal Not used (open)
77ESP-LTOSerial data latch pulse signal output terminal Not used (open)
78ESP-SENSEI Sense serial data input terminal Not used (open)
79XLASERCTLOLaser diode on/off control signal output to the CXA1791N (IC501) OL�: laser on
80DSP-SCORISub-code sync (S0+S1) detection signal input from the CXD2545Q (IC601)
81OSC1OMain system clock output terminal (4.19 MHz)
82OSC0IMain system clock input terminal (4.19 MHz)
83GNDNGround terminal (digital system)
84XTISub system clock input terminal Not used (fixed at OL�)
85XTOOSub system clock output terminal Not used (open)
Selection signal output to the DATA, BCLK, LRCK signal select switch (IC301)
86A-SELECTO
OL�: CD play, OH�: video CD play
87XIRCTLOPower supply on/off control signal for the remote control receiver (IC401) OL�: power on
88SYS XMT RQOCommunication request signal output to the MPEG audio/video decoder (IC901)
89SYS RCV RDYOReady signal output to the MPEG audio/video decoder (IC901)
90MPG XMT RQICommunication request signal input from the MPEG audio/video decoder (IC901)
91ESS-DATAOOSerial data output to the MPEG audio/video decoder (IC901)
92ESS-DATAII Serial data input from the MPEG audio/video decoder (IC901)
93ESS-CLKOSerial data transfer clock signal output to the MPEG audio/video decoder (IC901)
System reset signal input from the reset signal generator (IC702) OL�: reset
94RESETI
For several hundreds msec. after the power supply rises, OL� is input, then it changes to OH�
Service mode setting terminal The stop status is reset with the falling edge of input signal
95TESTI
OL�: service mode, Normally: OH�
MEGA BASS level control signal output terminal
96DBB CTL2O
OL�: MEGA BASS level-1, OH�: MEGA BASS level-2 Not used (open)
97VDDLNPower supply output for the liquid crystal display bias
98 to 100VDD1 to VDD3NPower supply output for the liquid crystal display bias
� 42 � |